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Principal Thermal Systems Engineer (CFD)

Oxford Global Resources
San Jose, CA Contractor
POSTED ON 8/7/2026
AVAILABLE BEFORE 9/6/2026

Job Title: Principal Thermal Systems Engineer (CFD)

Location: San Jose, CA - Onsite

6-12 months Temp-to-Perm/Full-time

Target Start Date: ASAP

Job Description:

We are seeking a Principal Thermal Systems Engineer (CFD) to lead advanced thermal analysis and simulation efforts supporting the development of complex industrial and energy-related products. This role will play a critical part in optimizing system performance, improving reliability, and guiding engineering decisions through analytical and simulation-based methods.

The successful candidate will work across multiple engineering disciplines to evaluate thermal behavior, airflow characteristics, cooling strategies, and overall system performance throughout the product development lifecycle.

Key Responsibilities:

  • Lead thermal analysis and simulation activities for complex mechanical and electromechanical systems.
  • Develop predictive models to evaluate heat transfer, airflow distribution, temperature management, and overall system performance.
  • Provide engineering recommendations that influence product architecture, design decisions, and performance optimization efforts.
  • Support development programs from concept through validation and production readiness.
  • Collaborate with multidisciplinary teams to assess technical feasibility and identify opportunities for design improvement.
  • Present findings and recommendations to engineering leadership and project stakeholders.
  • Support testing, validation, and correlation activities to ensure analytical models accurately represent real-world performance.
  • Improve simulation methodologies, modeling approaches, and engineering processes to enhance prediction accuracy and efficiency.
  • Contribute to technical problem-solving efforts related to performance, reliability, and thermal management challenges.

Requirements:

  • REQUIRED - Master's or PhD degree in Mechanical Engineering, Aerospace Engineering, Thermal Sciences, or a related discipline.
  • 8 years of industry experience utilizing CFD in Thermal management, in Electronics System/Data center cooling.
  • Highly skilled in one of the CFD tools: Ansys Icepak/Cadence/Fluent (Icepak or Cadence Preferred and can give in-depth examples of when/where they've utilized this)
  • Strong foundation in heat transfer, thermodynamics, fluid mechanics, and numerical analysis methods.
  • Experience utilizing commercial engineering simulation software for thermal and flow analysis.
  • Ability to develop simplified engineering calculations alongside detailed simulation models to support design decisions.
  • Experience supporting complex product development programs in industrial, energy, transportation, electronics, or related industries.
  • Demonstrated ability to manage multiple technical priorities while maintaining high-quality deliverables.
  • Experience mentoring engineers and providing technical leadership on challenging engineering problems.
  • Strong analytical thinking, troubleshooting abilities, and engineering judgment.
  • Excellent communication and presentation skills with the ability to convey complex technical concepts to diverse audiences.

Preferred Experience:

  • Experience with cooling system design, airflow management, thermal optimization, or environmental performance analysis.
  • Familiarity with validation testing and model correlation techniques.
  • Exposure to highly integrated mechanical, electrical, or industrial equipment systems.

Salary : $90 - $110

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